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This bug was originally marked as duplicate of bug 255471, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.2 (Build 201705191307) VM: Java HotSpot(TM) 64-Bit Server VM, 25.112-b15, Java(TM) SE Runtime Environment, 1.8.0_112-b15 OS: Windows 8.1 User Comments: GUEST: Check what happened. GUEST: I do not know which problem happening. GUEST: memory overflow happens when using autocomplete in js GUEST: Leave NetBeans for a long time. Stacktrace: java.lang.OutOfMemoryError: Java heap space at java.util.HashMap$Values.iterator(HashMap.java:967) at java.util.AbstractCollection.toArray(AbstractCollection.java:137) at java.util.ArrayList.<init>(ArrayList.java:177) at org.tmatesoft.svn.core.internal.io.svn.ssh.SshSessionPool$1.run(SshSessionPool.java:32) at java.util.TimerThread.mainLoop(TimerThread.java:555) at java.util.TimerThread.run(TimerThread.java:505)
Created attachment 164654 [details] stacktrace